Estimate repayments
Mortgage calculator
Plug in the purchase price, your deposit and the latest interest rate to get a feel for the monthly repayment schedule.
Estimated monthly repayment
£2,166
Based on a 30-year term (360 payments) at 4.50%.
Loan amount
£427,500
Total interest
£352,289
Total repaid
£827,289
Loan-to-value snapshot
Deposit covers 10.0 of the purchase price, giving an LTV of 90.0.
Planning ahead
Mortgage reminders
A few considerations to keep front of mind alongside the monthly figure.
Deposit vs loan-to-value
Lenders price risk off your LTV band. A 10% deposit keeps you at 90% LTV – nudging that up to 15% often unlocks noticeably better rates.
Fees to budget for
Broker, valuation and arrangement fees can add £1k-£2k to the upfront cost. Some lenders let you roll these into the loan, which changes the repayment profile.
Fixed vs tracker
Our calculation assumes a fixed rate. If you are on a tracker, keep an eye on the BoE base rate – every move translates almost 1:1 into your monthly payment.
FAQs
Mortgage questions we hear
Answers to the top queries buyers ask our team.
How accurate is this calculator?
It uses the standard amortisation formula and the default rate your team manages in the admin console. Always compare with the detailed key facts illustration your lender supplies before making decisions.
What if my rate changes during the term?
If you are on a fixed deal, the payment holds until the fix ends. When you re-mortgage or revert to a tracker, simply update the rate above to see the new monthly figure over the remaining term.
Can I model overpayments?
Not yet. For now, take the monthly payment and subtract any planned overpayment to understand the extra cash needed. We plan to add more advanced scenarios soon.
This tool is for guidance only. Always confirm affordability with your lender or broker.